- Precise four-channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburetors or throttle bodies
- Includes manometer fluid, hoses, 5 mm adapters, in-line restrictors and instructions
- Spill-proof design means the tool can be stored in a horizontal or vertical position
- For use with any two-, three- or four-cylinder 4-stroke engines
- 5 mm adapters are used on many Honda and Suzuki models
- Includes hang hook to clip onto the handlebars for easy use
- Most Kawasaki models do not need adapters
- Unaffected by barometric pressure changes
- Mercury-free design